Green Crystals

Grow sparkling, green crystals overnight from a safe solution of potassium aluminum sulfate. Single out the largest crystal shard, re-dissolve the remaining crystals, and repeat the crystal formation process to grow a larger, more striking crystal. These kits include all the materials and tools you need to grow a single crystal, as well as a small hexagonal storage box in which to keep your crystal safe.

Features and Benefits:

• Ages 10+
• 10 page manual

WARNING: This set contains chemicals [and/or parts] that may be harmful if misused. Read cautions on individual containers [and in manual] carefully. Not to be used by children except under adult supervision.

WARNING: CHOKING HAZARD - Small parts - Not for children under 3 yrs.

• Grow dazzling crystals!
• Learn about geometry and the structure of crystals, solubility and solutions, the formation of minerals, and more
• Parents' Choice Recommended Award Winner